产品资料
掌上万用表
产品型号：BM829
产品厂商：
简介：

掌上万用表 双数字显示器,仿指针 41 模拟条状,每秒更新 60 次
· 大型背光式 LCD,四全位显示,10,000 counts,智能型省电装置
· 快速量测,每秒五次,全自动跳档,读值锁定
· 直流电压 0.08%
· 台湾Brymen BM829掌上万用表

产品规格:
 

 BM829  功能／规格
.  4-1/2 位数 /10,000 Counts 分辨率量测显示，易读背光LCD显示屏
.  每秒 5次快速量测；全自动侦测换档量程
.  双组量测数字显示
.  仿指针 41模拟条状，每秒更新 60次
.  USB 计算机联机接口 , WIN98/2000/XP/Vista/Win7等系统使用 (选购)
.  智能型自动省电判断功能
.  显示数字数据锁定功能
     .  自动归零及相对值设定
     .      蜂鸣警示，防止探棒接错造成危险
     .  AC, AC+DC 电压电流有效值测量
     .  100kHz 宽带 AC & AC+DC 电压测量
0.08% 直流电压测量
     .  T1-T2 双轨 K-Type 温度量测 -50 ℃~ 1000 ℃，可选择℉温度显示功能
     .  全自动侦测换文件量程记录大值、小值、平均值
     .  交流电压(ACV)测量范围 0.01mV to 1000V
     .  直流交流混合电压(AC+DCV)测量范围 0.01mV to 1000V
     .  交流电流(ACA)测量范围 0.1uA to 10A; 20A可量 30秒、间隔停 5分钟
     .  直流电流(DCA)测量范围 0.1uA to 10A; 20A 可量 30秒间、隔停 5分钟
     .  直流交流混合电流(AC+DCA)测量范围 0.1uA To 10A; 20A可量30秒、间隔停5分钟
     .  电阻值测量范围 0.1Ω to 60MΩ
     .  传导值测量范围 0.01nS to 99.99nS
     .  超快速电容测量 0.01nF to 25mF
     .  电力准位频率范围 15Hz To 1.000kHz
     .  数字逻辑准位频率范围 5Hz to 1MHz
     .  数字逻辑准位 Duty范围 0.01% To 99.99%
.  二极管测试
.  Lo-Z 以抵阻抗的方式，防止感应电压导致错误的读数
.  非接触式(EF)检测功能
.  探针接触(EF)检测功能-检测现场更的指示
.  坚固耐用的阻燃工业护套及保险检修孔
.  可清洗和更换的保护皮套
.  600V AC/DC (Ohms,CX ... etc.) 一般输入保护
.  符合 LVD Meets EN60101-1 CAT IV 1KV
.  符合 EMC EN61326-1:2006 (EN55022,EN61000-3-2 & EN61000-4-2/-3/-4/-5/-6/-8/-11)

详细规格:

Accuracy is given as +/- (% of reading dig

its + number of digits) or otherwise specified @ 23o C +/- 5o C and less than 75% R.H.

True RMS model BM257 ACV & ACA accuracies are specified from 5 % to 100 % of range or otherwise specified.
 
Maximum Crest Factor <3:1 at full scale & <6:1 at half scale, and with frequency components fall within the meter specified frequency bandwidth for non-sinusoidal waveforms
 
AC & AC+DC Voltage

Function
RANGE
Accuracy
50Hz ~ 60Hz
mV
60.00mV, 600.0mV
0.5% + 3d
V
9.999V, 99.99V, 999.9V
40Hz ~ 500Hz
mV
60.00mV, 600.0mV
0.8% + 4d
V
9.999V, 99.99V
1.0%+4d
999.9V
2.0%+4d
500Hz ~ 1kHz
mV
60.00mV, 600.0mV
2.0% + 3d
V
9.999V, 99.99V
1.0%+4d
999.9V
2.0%+4d
1kHz ~ 3kHz
mV
60.00mV, 600.0mV
2%+3d
V
9.999V, 99.99V, 999.9V
3.0%+4d
3kHz ~ 20kHz
mV
60.00mV 1), 600.0mV 1)
2%+3d
V
9.999V, 99.99V
3dB
999.9V
Unspec’d
1) Specificied from 30% to  of range.
CMRR:>60dB @ DC to 60Hz, Rs=1k W
Input Impedance: 10M W , 50pF nominal (80pF nominal for 600mV range)
Residual reading less than 5 digits with test leads shorted.
 
AutoCheckTM (ACV)
RANGE 1)
Accuracy
50Hz ~ 60Hz
9.999V, 99.99V, 999.9V
1.0%+4d

Lo-Z ACV Threshold:> 3VAC (50/60Hz) nominal
Lo-Z ACV Input Impedance:
Initially approx. 3.0k W , 150pF nominal; Impedance increases abruptly within
a fraction of a second as display voltage is above 50V (typical). Ended up impedances
vs display voltages typically are:
18k W       @100V           125k W       @ 300V
320k W     @ 600V          460k W        @ 1000V
 
dBm
At 600 W , -11.76dBm to 54.25dBm,
Accuracy: ± 0.25dB + 2d (@40Hz -- 20kHz)
Input Impedance: 10M W , 50pF nominal
Selectable reference impedance of  4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200,
250, 300, 500, 600, 800, 900, 1000, 1200 W
 
DC Voltage
Function
RANGE
Accuracy
mV
60.00mV
0.12%+2d
600.0mV
0.06%+2d
V
9.999V, 99.99V, 999.9V
0.08%+2d
NMRR:        >60dB    @ 50/60Hz
CMRR:       >110dB @ DC, 50/60Hz, Rs=1k W
Input Impedance: 10M W , 50pF nominal (80pF nominal for 600mV range)
 
AutoCheckTM (DCV)
RANGE
Accuracy
9.999V, 99.99V, 999.9V
0.5%+3d
Lo-Z DCV Threshold:
 > +1.5VDC or < -1.0VDC nominal
Lo-Z DCV Input Impedance:
Initially approx. 3.0k W , 165pF nominal; Impedance increases abruptly within a fraction
of a second as display voltage is above 50V (typical). Ended up impedances vs display
voltages typically are:
18k W       @100V          125k W         @ 300V
320k W     @ 600V         500k W         @ 1000V
 
Ohms
RANGE
Accuracy
600.0 W , 6.000k W , 60.00k W , 600.0k W
0.1%+3d
6.000M W
0.4%+3d
60.00M W
1.5%+5d
99.99nS
0.8%+10d
Open Circuit Voltage: < 1.2VDC (< 1.0VDC for 60M W range)
 
AutoCheckTM (Ohms)
RANGE
Accuracy
600.0 W , 6.000k W , 60.00k W , 600.0k W
0.5%+4d
6.000M W
0.8%+3d
60.00M W
2.0%+5d
Open Circuit Voltage: < 1.2VDC (< 1.0VDC for 60M W range)
 
Audible Continuity Tester
Audible threshold: between 20 W and 300 W ; Response time < 100 m s
 
Diode Tester
RANGE
Accuracy
2.000V
1.0%+1d
Test Current (Typically): 0.4mA
Open Circuit Voltage: < 3.5 VDC
 
Temperature
RANGE
Accuracy
-50oC to 1000oC
0.3%+2oC
-58oF to 1832oF
0.3%+5oF
Type-K thermocouple range & accuracy not included
 
Capacitance
RANGE
Accuracy 1)
60.00nF, 600.0nF
0.8% + 3d
6.000 m F
1.0% + 3d
60.00 m F
2.0% + 3d
600.0 m F 2)
3.5% + 5d
6.000mF 2)
5.0% + 5d
25.00mF 2)
6.5% + 5d
1) Accuracies with film capacitor or better
2) In manual-ranging mode, measurements not specified below 50.0 mF, 0.54mF and
5.4mF for 600.0 mF, 6.000mF and 25.00mF ranges respectively
 
AC & AC+DC Current
RANGE
Accuracy
Burden voltage
BM82x 2)
BM52y 3)
50Hz ~ 60Hz
600.0 m A, 6000 mA
0.6%+3d
0.08mV/ m A
0.08mV/ m A
60.00mA
1.5mV/mA
2.1mV/mA
600.0mA
1.0%+3d
6.000A , 10.00A 1)
0.8%+6d
0.04V/A
0.02V/A
40Hz ~ 1kHz
600.0 m A, 6000 mA
0.8%+4d
0.08mV/ m A
0.08mV/ m A
60.00mA
1.5mV/mA
2.1mV/mA
600.0mA
1.0%+4d
6.000A , 10.00A 1)
0.8%+6d
0.04V/A
0.02V/A
1) 10A continuous, > 10A to 15A (to 20A for BM521 & BM525) for 30 second max with 5 minutes cool down interval
2) x=1, 2, 7 & 9; Model 821, 822, 827 & 829
3) y=1 & 5; Model 521 & 525
 
DC Current
RANGE
Accuracy
Burden voltage
BM82x 2)
BM52y 3)
600.0 m A, 6000 mA
0.2%+4d
0.08mV/ m A
0.08mV/ m A
60.00mA, 600.0mA
1.5mV/mA
2.1mV/mA
6.000A , 10.00A 1)
0.04V/A
0.02V/A
1) 10A continuous, > 10A to 15A (to 20A for BM521 & BM525) for 30 second max with 5 minutes cool down interval
2) x=1, 2, 7 & 9; Model 821, 822, 827 & 829
3) y=1 & 5; Model 521 & 525
 
Line Level Frequency (Hz)
Function Range
Frequency
Sensitivity (Sine RMS)
AC 60.00mV
15.00 ~ 50.00kHz
40mV
AC 600.0mV
60mV
AC 9.999V
15.00 ~ 10.00kHz
2.5V
AC 99.99V
25V
AC 999.9V
100V
AC 600.0 mA
 
 
15.00 ~ 3.000kHz
45uA
AC 6000 mA
600uA
AC 60.00mA
40mA
AC 600.0mA
60mA
AC 6.000A
4A
AC 10.00A
6A
Accuracy: 0.04%+4d
Crest mode (Instantaneous Peak Hold)
Accuracy: Specified accuracy adds 250 digits for changes > 1.0 ms in duration
 
Record mode
Accuracy: Specified accuracy adds 10 digits for changes > 100 ms in duration
 
Logic Level Frequency ( Hz) &  Duty Cycle (D%)
@ DCmV Function
Range
Accuracy 1)
Frequency
5.00Hz ~ 1.000MHz
0.004%+4d
Duty Cycle
0.00% ~ 100.0%
3d/kHz+2d 2)
1) Sensitivity: 2.5Vp (Square wave) for 3V & 5V Logic Family
2) Specified Frequency: 5Hz ~ 10kHz
 
Non-Contact EF-Detection
Typical Voltage
Bar Graph Indication
20V (tolerance:10V~36V)
-
55V (tolerance: 23V ~ 83V)
--
1  10V (tolerance: 59V ~ 165V)
---
220V (tolerance: 124V ~ 330V)
----
440V (tolerance: > 250V)
-----
Indication: Bar graph segments & audible beep tones proportional to the field strength
Detection Frequency: 50/60Hz
Detection Antenna: Top end of the meter
Probe-Contact EF-Detection:
For more precise indication of live wires, such as distinguishing between live and
ground connections, use the Red (+) test probe for direct contact measurements.


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